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diff --git a/sd/source/ui/presenter/PresenterHelper.hxx b/sd/source/ui/presenter/PresenterHelper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SD_SOURCE_UI_PRESENTER_PRESENTERHELPER_HXX
+#define INCLUDED_SD_SOURCE_UI_PRESENTER_PRESENTERHELPER_HXX
+
+#include <com/sun/star/drawing/XPresenterHelper.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+
+namespace com::sun::star::uno { class XComponentContext; }
+
+namespace sd::presenter {
+
+typedef ::cppu::WeakComponentImplHelper<
+    css::lang::XInitialization,
+    css::drawing::XPresenterHelper
+> PresenterHelperInterfaceBase;
+
+/** Implementation of the XPresenterHelper interface: functionality that can
+    not be implemented in an extension.
+*/
+class PresenterHelper
+    : private ::cppu::BaseMutex,
+      public PresenterHelperInterfaceBase
+{
+public:
+    explicit PresenterHelper (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    virtual ~PresenterHelper() override;
+    PresenterHelper(const PresenterHelper&) = delete;
+    PresenterHelper& operator=(const PresenterHelper&) = delete;
+
+    // XInitialize
+
+    virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
+
+    // XPresenterHelper
+
+    virtual css::uno::Reference<css::awt::XWindow> SAL_CALL createWindow (
+        const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+        sal_Bool bCreateSystemChildWindow,
+        sal_Bool bInitiallyVisible,
+        sal_Bool bEnableChildTransparentMode,
+        sal_Bool bEnableParentClip) override;
+
+    virtual css::uno::Reference<css::rendering::XCanvas> SAL_CALL createSharedCanvas (
+        const css::uno::Reference<css::rendering::XSpriteCanvas>& rxUpdateCanvas,
+        const css::uno::Reference<css::awt::XWindow>& rxUpdateWindow,
+        const css::uno::Reference<css::rendering::XCanvas>& rxSharedCanvas,
+        const css::uno::Reference<css::awt::XWindow>& rxSharedWindow,
+        const css::uno::Reference<css::awt::XWindow>& rxWindow) override;
+
+    virtual css::uno::Reference<css::rendering::XCanvas> SAL_CALL createCanvas (
+        const css::uno::Reference<css::awt::XWindow>& rxWindow,
+        sal_Int16 nRequestedCanvasFeatures,
+        const OUString& rsOptionalCanvasServiceName) override;
+
+    virtual void SAL_CALL toTop (
+        const css::uno::Reference<css::awt::XWindow>& rxWindow) override;
+
+    virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL loadBitmap (
+        const OUString& rsURL,
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) override;
+
+    virtual void SAL_CALL captureMouse (const css::uno::Reference<css::awt::XWindow>& rxWindow) override;
+
+    virtual void SAL_CALL releaseMouse (const css::uno::Reference<css::awt::XWindow>& rxWindow) override;
+
+    virtual css::awt::Rectangle SAL_CALL getWindowExtentsRelative (
+        const css::uno::Reference<css::awt::XWindow>& rxChildWindow,
+        const css::uno::Reference<css::awt::XWindow>& rxParentWindow) override;
+
+private:
+    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
+};
+
+} // end of namespace ::sd::presenter
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */